login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A222924 T(n,k)=Number of nXk 0..4 arrays with no three equal values in a row horizontally or vertically, and new values 0..4 introduced in row major order 6
1, 2, 2, 4, 15, 4, 12, 174, 174, 12, 41, 3183, 13571, 3183, 41, 158, 68076, 1396408, 1396408, 68076, 158, 663, 1543538, 149478882, 700411548, 149478882, 1543538, 663, 2944, 35663142, 16132176644, 352790675074, 352790675074, 16132176644 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Table starts
.....1...........2...............4................12..................41
.....2..........15.............174..............3183...............68076
.....4.........174...........13571...........1396408...........149478882
....12........3183.........1396408.........700411548........352790675074
....41.......68076.......149478882......352790675074.....829048065675262
...158.....1543538.....16132176644...177991922235005.1950399182366908036
...663....35663142...1743046774975.89795579488204082
..2944...829049736.188375987615301
.13537.19310392822
.63551
LINKS
EXAMPLE
Some solutions for n=3 k=4
..0..0..1..0....0..0..1..0....0..0..1..0....0..0..1..0....0..0..1..0
..1..2..0..1....2..0..3..2....2..1..3..0....2..1..2..2....2..2..0..1
..2..2..3..3....1..3..4..0....3..1..3..3....0..2..2..3....0..3..4..2
CROSSREFS
Sequence in context: A204685 A205161 A205310 * A268423 A261531 A153968
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Mar 09 2013
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 24 10:37 EDT 2024. Contains 374583 sequences. (Running on oeis4.)